42   Artículos

 
en línea
Grzegorz Ilewicz and Edyta Ladyzynska-Kozdras    
The surgical robots currently used in cardiac surgery are equipped with a remote center of motion (RCM) mechanism that enables the required spherical workspace. The dynamics model of the surgical robot?s RCM mechanism presented in this work includes a di... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Ziqian Zhao, Ming Zhu and Jiazheng Qin    
This paper investigates a practical time-varying formation control method for quadrotors subjected to disturbances, uncertainties, and switching-directed topologies. A fully distributed formation control scheme is proposed using a linear-velocity indepen... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Liqi Zhang and Yonghui Zhao    
Advanced rotational variable-swept missile wings require the ability to rapidly deploy, retract and reach the designated position. Therefore, the establishment of an effective time-varying aeroelastic model of a rotating missile wing is the prerequisite ... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Rashmi Radha and Mritunjay Kumar Singh    
In this study, a two-dimensional contaminant transport model with time-varying axial input sources subject to non-linear sorption, decay, and production is numerically solved to find the concentration distribution profile in a heterogeneous, finite soil ... ver más
Revista: Water    Formato: Electrónico

 
en línea
Yuwei Dai, Minzhang Hou, Haidong Wang and Wanli Tu    
Source location identification methods are typically applied to steady-state conditions under pure indoor or outdoor environments, but under time-varying wind conditions and coupled indoor and outdoor environments, the applicability is not clear. In this... ver más
Revista: Buildings    Formato: Electrónico

 
en línea
Shuai Ma, Zhongyuan Wang, Xugang Wang and Qi Chen    
The problem of three-dimensional impact time control guidance considering field-of-view constraints and time-varying velocity is investigated in this study. First, considering the effect of gravity and aerodynamic forces on velocity, a simplified numeric... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Guoqing Xia, Xianxin Sun and Xiaoming Xia    
This paper investigates swarm control for unmanned surface vessels subject to multiple constraints. These constraints can be summarized as model parameter uncertainty, the unavailability of velocity measurements, time-varying environmental disturbances, ... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
A. Otmane Cherif     Pág. 24 - 30
Shimmy vibration is a very important common phenomenon in the landing gear system during either the take-off or landing of an aircraft. Shimmy vibration is the lateral and torsional vibrations in the wheel of the aircraft that is self-excited and causes ... ver más
Revista: International Journal of Open Information Technologies    Formato: Electrónico

 
en línea
Muhammad Baber Sial, Yuwei Zhang, Shaoping Wang, Sara Ali, Xinjiang Wang, Xinyu Yang, Zirui Liao and Zunheng Yang    
Most of the recent research on distributed formation control of unmanned aerial vehicle (UAV) swarms is founded on position, distance, and displacement-based approaches; however, a very promising approach, i.e., bearing-based formation control, is still ... ver más
Revista: Drones    Formato: Electrónico

 
en línea
Yufang Zhang, Changde Liu, Nan Zhang, Qian Ye and Weifeng Su    
Focusing on dynamic positioning (DP) systems for ships, which are subject to environmental disturbances and actuator constraints, this paper presents a finite-time controller that uses a disturbance observer with the aid of a backstepping technique. Firs... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

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